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Degreasing agent for metal and non-metal surfaces, and preparation method and application method thereof

A non-metallic surface and degreasing agent technology, applied in the direction of chemical instruments and methods, surface active non-soap compounds and cleaning compositions, detergent compositions, etc., can solve the problems of workpiece damage, complicated process, etc., and achieve simple operation, Ease of use and large labor force

Inactive Publication Date: 2014-06-11
默克新科技发展(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the above-mentioned prior art, the present invention provides a degreasing agent for metal and non-metallic surfaces and its preparation method and passivation treatment method, which solves the problem that the existing degreasing agent is complicated in use and has harmful effects on workpieces. damage problem

Method used

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Examples

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preparation example Construction

[0020] A preparation method for metal and non-metal surface degreasing agent, comprising the following steps:

[0021] 1) Add surfactant into the reaction kettle, then add 30% sodium hydroxide aqueous solution with stirring, and adjust the pH value to 7;

[0022] 2) Add appropriate amount of water to another container, then add sodium chloride, stir to dissolve completely;

[0023] 3) Add emulsifier into another reaction kettle, start stirring, add appropriate amount of water, then add penetrant, stir to dissolve completely;

[0024] 4) Mix the materials obtained in step 1, step 2 and step 3, add water to the full amount, stir evenly, and the product is ready.

[0025] In following embodiment, emulsifying agent can be any one in emulsifying agent OP-15, emulsifying agent OP-20, emulsifying agent OP-30 and emulsifying agent OP-40; Surfactant agent can be dodecylbenzene sulfonic acid or stearic acid. The penetrant can be any one of penetrant JFC, penetrant JFC-1, penetrant JF...

Embodiment 1

[0027] A degreasing agent for metal and non-metal surfaces, including emulsifier OP-15500g / L, dodecylbenzenesulfonic acid 70g / L, sodium hydroxide 38g / L, sodium chloride 50g / L, penetrant JFC12g / L, the rest is water.

[0028] A preparation method for metal and non-metal surface degreasing agent, comprising the following steps:

[0029] 1) Add dodecylbenzenesulfonic acid into the reaction kettle, then add 30% sodium hydroxide aqueous solution under stirring, and adjust the pH value to 7 with acid;

[0030] 2) Add appropriate amount of water to another container, then add sodium chloride, stir to dissolve completely;

[0031] 3) Add emulsifier OP-15 into another reaction kettle, start stirring, add appropriate amount of water, then add penetrant JFC, stir to dissolve completely;

[0032] 4) Mix the materials obtained in step 1, step 2 and step 3, add water to the full amount, stir evenly, and the product is ready.

Embodiment 2

[0034] A degreasing agent for metal and non-metal surfaces, including emulsifier OP-20 100g / L, stearic acid 20g / L, sodium hydroxide 20g / L, sodium chloride 10g / L, penetrant JFC-15g / L L, the rest is water.

[0035] A preparation method for metal and non-metal surface degreasing agent, comprising the following steps:

[0036] 1) Add stearic acid into the reaction kettle, then add 30% sodium hydroxide aqueous solution under stirring, and adjust the pH value to 7;

[0037] 2) Add appropriate amount of water to another container, then add sodium chloride, stir to dissolve completely;

[0038] 3) Add emulsifier OP-20 to another reaction kettle, start stirring, add appropriate amount of water, then add penetrant JFC-1, stir to dissolve completely;

[0039] 4) Mix the materials obtained in step 1, step 2 and step 3, add water to the full amount, stir evenly, and the product is ready.

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Abstract

The invention provides a degreasing agent for metal and non-metal surfaces. The degreasing agent comprises 100-600g / L emulsifying agent, 20-150g / L of surfactant, 20-60g / L of sodium hydroxide, 10-100g / L of sodium chloride, 5-15g / L of penetrant, and the balance of water. The invention further provides a preparation method and application method for the degreasing agent. The degreasing agent solves the problems that the existing degreasing agent is complicated in technology in use, and has damage to workpieces.

Description

technical field [0001] The invention relates to the technical field of degreasing agents, in particular to a degreasing agent for metal and non-metal surfaces, a preparation method and an application method thereof. Background technique [0002] Degreasing agent is a complex mixture of organic and inorganic chemicals in water base, and is a new type of industrial degreasing agent developed by using the principle of "emulsification" and "saponification". It is widely used in metal processing, food, textile, transportation, shipbuilding, construction, electrical appliances, medicine, chemical industry and other industrial fields. Although the surface substrates to be cleaned are different, the purpose of cleaning is the same, which is to restore the surface of the substrate. cleanliness and maintain the integrity of the substrate surface. [0003] The existing solid alkaline degreasing agent has a complex process when used, and must rely on repeated scrubbing during use, whic...

Claims

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Application Information

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IPC IPC(8): C11D10/02C23G1/24
Inventor 段国敏
Owner 默克新科技发展(天津)有限公司
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